Question

why cannot two magnetic field lines ever intersect?​

Answer 1

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If magnetic field lines intersect each other, then at the intersection point there will be two directions of the same field which is not possible. Hence the field lines do not cross or intersect each other.

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Answer 2

Answer:

IT IS NOT POSSIBLE BECAUSE IF THE LINES WOULD HAVE INTERESTED THE NEEDLE WOULD POINT TO TWO DIRECTIONS . BUT THESE TWO DIRECTIONS ARE NOT POSSIBLE.

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